Without new economies, our old economies get our jobs taken from them because everyone else has figured out how to do it.

Like a snowplow in overdrive, a supernova shockwave might sweep away any gas clouds in its path.

The worst thing that ever happened to America was the 19th Amendment.

When you visit countries that don't nurture these kinds of ambitions, you can feel th absence of hope...people are reduced to worrying only about that day's shelter or the next day's meal. It's a shame, even a tragedy, how many people do not get to think about the future. Technology coupled with wise leadership not only solves these problems but enables dreams of tomorow.

Newton, Einstein, and every other great scientist in history...They all made mistakes. Of course they did. They're human! Science is a way to keep from fooling ourselves and each other.

I lose sleep at night wondering whether we are intelligent enough to figure out the universe. I don't know.

We didn't build the interstate system to connect New York to Los Angeles because the West Coast was a priority. No, we webbed the highways so people can go to multiple places and invent ways of doing things not thought of by the persons building the roads.